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19593 Justinkoh (1999 NZ29)
Classification: Main-belt Asteroid          SPK-ID: 2019593
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1985459269141744 4.1033e-08  
a 3.14535220340428 1.9576e-08 au
q 2.520855334707837 1.3455e-07 au
i 1.293955245281298 5.3227e-06 deg
node 166.1190379244177 0.00018237 deg
peri 127.7579360725929 0.00018276 deg
M 295.9043366714755 1.2323e-05 deg
tp 2459563.267604340744
(2021-Dec-14.76760434)
7.1118e-05 TDB
period 2037.52220947136
5.58
1.9022e-05
5.208e-08
d
yr
n .1766851906332853 1.6495e-09 deg/d
Q 3.769849072100724 2.3463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      10613 days (29.06 yr)  
   first obs. used      1992-03-01  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58895  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:56:34  

Additional Information
 Earth MOID = 1.50308 au 
 Jupiter MOID = 1.44047 au 
 T_jup = 3.178 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456755.5 (2014-Apr-08.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1963277104555852 4.0881e-08  
q 2.531601400563416 1.3367e-07 au
tp 2457522.206497322217
(2016-May-13.70649732)
6.6379e-05 TDB
node 166.1325751241833 0.00018266 deg
peri 127.2959041579343 0.00018305 deg
i 1.29173538814161 5.3173e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      10613 days (29.06 yr)  
   first obs. used      1992-03-01  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58895  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:56:34  

Additional Information
 Jupiter MOID = 1.44047 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.671234114357074E-15 -5.429891366106158E-15 5.444736914442793E-13 -2.637690598528822E-15 1.131253320867529E-13 -3.438527861714311E-16
q -5.429891366106158E-15 1.786787740405167E-14 -1.553414705747965E-12 1.457629596494282E-14 -3.570551540306665E-13 2.156386453943515E-15
tp 5.444736914442793E-13 -1.553414705747965E-12 4.406124956908728E-9 -3.209360905464235E-12 8.098992407728286E-10 -3.351347304358519E-13
node -2.637690598528822E-15 1.457629596494282E-14 -3.209360905464235E-12 3.336319846913621E-8 -3.335426487092039E-8 -3.348323869847978E-11
peri 1.131253320867529E-13 -3.570551540306665E-13 8.098992407728286E-10 -3.335426487092039E-8 3.350667875588692E-8 3.342504109422211E-11
i -3.438527861714311E-16 2.156386453943515E-15 -3.351347304358519E-13 -3.348323869847978E-11 3.342504109422211E-11 2.827354082847687E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.03   n/a E2021B10  
diameter diameter 5.320 km 0.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19593 Justinkoh           Discovered 1999 July 14 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Justin Koh (b. 1989) is a finalist in the 2003 Discovery Channel Young Scientist Challenge, a middle school science competition, for his biochemistry, medicine, health and microbiology project. He attends the Fruitvale Junior High School, Bakersfield, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031010/MPCPages.arcLast Updated: 2003-10-10

[ show close-approach data ]
Alternate Designations
 1999 NZ29 = 1994 TN4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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